PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/06-07:27:40
G08     320.9          10.3              -16.8 +/-   17.06     -46.7 +/-   17.06  0.220 / 0.420
G10     309.5          55.3                5.3 +/-    0.61       6.3 +/-    0.61  0.280 / 0.340
G14     213.3          15.2               10.2 +/-    2.98      25.2 +/-    2.98  0.040 / 0.070
G15     45.5           20.9                1.7 +/-    0.41       3.6 +/-    0.41  0.030 / 0.070
G20     55.2           47.5                4.6 +/-    0.62       6.0 +/-    0.62  0.050 / 0.080
G21     116.6          68.6                7.3 +/-    0.56       7.8 +/-    0.56  0.050 / 0.080
G24     88.5           28.9                6.1 +/-    0.55      10.9 +/-    0.55  0.070 / 0.120
G27     290.5          37.1                7.8 +/-    1.45      12.0 +/-    1.45  0.070 / 0.110
G32     214.3          41.7                8.7 +/-    1.06      12.4 +/-    1.06  0.030 / 0.040